I have to ask why you are doing a Hierarchal DRC on a schematic.
Generally, you do Hierarchical DRC on layout to consider all the
circuitry in the subcells. But schematic DRC is meant to find issues
only in the current cell, so you should be doing a regular DRC when
examining schematics.
The error message does make sense. You have asked DRC to examine all
sub-circuits, so wherever it finds an icon in your schematic cell, it
tries to switch to the schematic that this icon represents and continue
analysis. In the case of Spice Parts, the icons exist without equivalent
schematics because the Spice Parts are only intended to hold pieces of
Spice code when simulating. Therefore, DRC complains that it cannot find
the equivalent schematic cell.
I will update the manual to explain this, but in the meantime, either
switch to non-hierarchical DRC for schematics or tolerate those error
messages.
-Steven Rubin
On 10/31/2025 8:42 AM, Trung Khanh Lê wrote:
Hello Mr. Steven Rubin,
I would like to thank you for developing Electric. In the last version
9.08, I found an issue when running DRC Hierarchically on the
schematic editor with spice parts. For example, if I place DCVoltage
on my schematic, the DRC result always says: "Icon cell
spiceparts:DCVoltage{ic} has no schematic cell".
image.png
This error occurs on any part of spiceparts and spicepartsS3 either. I
do not meet this issue when using the 9.07 version. Could you help me
solve it?
Thank you very much.
Best regards.
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